64929377596 has 48 divisors (see below), whose sum is σ = 119800380672. Its totient is φ = 30760329600.

The previous prime is 64929377573. The next prime is 64929377627. The reversal of 64929377596 is 69577392946.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738535 + ... + 821761.

It is an arithmetic number, because the mean of its divisors is an integer number (2495841264).

Almost surely, 2^64929377596 is an apocalyptic number.

It is an amenable number.

64929377596 is a deficient number, since it is larger than the sum of its proper divisors (54871003076).

64929377596 is a wasteful number, since it uses less digits than its factorization.

64929377596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83410 (or 83408 counting only the distinct ones).

The product of its digits is 154314720, while the sum is 67.

The spelling of 64929377596 in words is "sixty-four billion, nine hundred twenty-nine million, three hundred seventy-seven thousand, five hundred ninety-six".